Answer the following problem showing the step-by-step process of Hypothesis Testing. You may use Excel to compute for the hypothesis testing results. The summarized tabulated results should be...

Answer the following problem showing the step-by-step process of Hypothesis Testing. You may use Excel to compute for the hypothesis testing results.  The summarized tabulated results should be included in solution.

PROBLEM:
A consumer research group wanted to find out if there is a significant difference in the contents of 2 different products of 180 ml commercial shampoo. The actual contents obtained from 10 samples of product Shampoo A and 12 samples of Shampoo B are indicated below. Use α=.05 level of significance to determine if there is a difference.

Extracted text: Shampoo A Shampoo B 169.5 167 169.5 172.9 182 167.5 178.2 173.6 181.5 172.5 168.5 180 180.5 179.8 174.3 176.6 176.8 180.7 167.5 181.4 179.5 180.4